<template>
  <div class='icons'>
     <swiper :options="swiperOption">
       <swiper-slide v-for="(page,index) in pages" :key="index">
        <div class="icon" v-for="item in page" :key="item.id">
          <div class="img-wrapper">
            <img :src="item.imgUrl" class="icon-img">
          </div>
          <p class="icon-title">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    iconList: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import '~styles/mixins.styl'
  .icons
     overflow: hidden
     height: 0
     padding-bottom: 50%
     background-color: #fff
     .icon
       position: relative
       overflow: hidden
       float: left
       width: 25%
       height: 0
       padding-bottom: 25%
       background-color: #fff
       .img-wrapper
         position: absolute
         box-sizing: border-box
         top: 0
         left: 0
         right: 0
         bottom: .44rem
         padding: .1rem
         .icon-img
           display: block
           margin: 0 auto
           height: 100%
       .icon-title
         position: absolute
         left: 0
         right: 0
         bottom: 0
         height: .44rem
         line-height: .44rem
         text-align: center
         ellipsis()
</style>
